345503746637 has 4 divisors (see below), whose sum is σ = 394861424736. Its totient is φ = 296146068540.

The previous prime is 345503746633. The next prime is 345503746697. The reversal of 345503746637 is 736647305543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 345503746637 - 2² = 345503746633 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345503746631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24678839039 + ... + 24678839052.

It is an arithmetic number, because the mean of its divisors is an integer number (98715356184).

Almost surely, 2^345503746637 is an apocalyptic number.

It is an amenable number.

345503746637 is a deficient number, since it is larger than the sum of its proper divisors (49357678099).

345503746637 is an equidigital number, since it uses as much as digits as its factorization.

345503746637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49357678098.

The product of its (nonzero) digits is 19051200, while the sum is 53.

The spelling of 345503746637 in words is "three hundred forty-five billion, five hundred three million, seven hundred forty-six thousand, six hundred thirty-seven".